{
  description = "infra-docs";

  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11";

  outputs = { self, nixpkgs }:
    let
      stableSystems = ["x86_64-linux"  "aarch64-linux" "x86_64-darwin" "aarch64-darwin"];
      forAllSystems = nixpkgs.lib.genAttrs stableSystems;
      pkgsFor = nixpkgs.lib.genAttrs stableSystems (
        system: import nixpkgs { inherit system; }
      );
    in rec {
      devShells = forAllSystems (system: {
        default = pkgsFor.${system}.mkShellNoCC {
          packages = with pkgsFor.${system}.buildPackages; [
            openssh git ghp-import mdbook
          ];
        };
      });
    };
}